package com.tanhua.server.service;

import com.alibaba.fastjson.JSON;
import com.tanhua.commons.utils.Constants;
import com.tanhua.model.vo.ErrorResult;
import com.tanhua.server.exception.BusinessException;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.stereotype.Service;
import org.springframework.util.StringUtils;

import java.util.Map;

@Service
public class UserFreezeService {
    @Autowired
    private RedisTemplate<String,String> redisTemplate;
    /**
     * 判断用户是否被冻结,已被冻结,抛出异常
     * 参数：冻结范围 ，用户id
     *
     * 检测登录：
     *  checkUserStatus("1",106)
     */
    public void checkUserStatus(String state,Long userId){
        //拼接key
        String key = Constants.USER_FREEZE + userId;
        String value = redisTemplate.opsForValue().get(key);
        //2.如果数据存在,并且数据一致,抛出异常
        if (!StringUtils.isEmpty(value)) {
            Map map = JSON.parseObject(value, Map.class);//将数据转换成map
            String freezingRange = (String) map.get("freezingRange");
            if (state.equals(freezingRange)){
                throw  new BusinessException(ErrorResult.builder().errMessage("用户被冻结").build());
            }
        }


        }


}
